The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
Sound travels about 4 times faster in water than in air.
408
Liquid TIDE laundry detergent glows under a blacklight.
96